Expand
Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Rock Island, Texas, is a moderate winter month, with an average temperature fluctuating between 60.4°F (15.8°C) and 44.2°F (6.8°C). The month of January, characterized by an average high of 60.4°F (15.8°C) and a low of 44.2°F (6.8°C), is recognized as the coldest. Weather in January »
Weather in February
The last month of the winter, February, is an enjoyable month in Rock Island, Texas, with an average temperature varying between 64°F (17.8°C) and 48.6°F (9.2°C). Rock Island's February reports an average high-temperature of a comfortable 64°F (17.8°C), exhibiting a minor difference from January. Weather in February »
Weather in March
March, the first month of the spring in Rock Island, is a pleasant month, with an average temperature varying between 54.3°F (12.4°C) and 71.6°F (22°C). As March begins, there's a slight increase in the average high-temperature, moving from a comfortable 64°F (17.8°C) in February to a pleasant 71.6°F (22°C). Weather in March »
Weather in April
April is a warm spring month in Rock Island, Texas, with an average temperature ranging between min 59.7°F (15.4°C) and max 77.9°F (25.5°C). The onset of April brings a minor temperature shift, with the average high-temperature moving from a pleasant 71.6°F (22°C) in March to a warm 77.9°F (25.5°C). Weather in April »
Weather in May
May, the last month of the spring in Rock Island, is another warm month, with an average temperature fluctuating between 67.3°F (19.6°C) and 84.4°F (29.1°C). May introduces a marginal temperature uplift, with average high-temperatures adjusting from April's warm 77.9°F (25.5°C) to a still moderately hot 84.4°F (29.1°C). Weather in May »
Weather in June
June, the first month of the summer in Rock Island, is a tropical month, with an average temperature fluctuating between 72.7°F (22.6°C) and 90°F (32.2°C). As Rock Island, Texas, enters June, the average high-temperature marginally increases from the a warm 84.4°F (29.1°C) of May to a hot 90°F (32.2°C). Weather in June »
Weather in July
July, the same as June, in Rock Island, Texas, is a hot summer month, with an average temperature fluctuating between 74.7°F (23.7°C) and 93.2°F (34°C). July's average high-temperature is a still hot 93.2°F (34°C), maintaining a close comparison with June's 90°F (32.2°C). Weather in July »
Weather in August
The last month of the summer, August, is a torrid month in Rock Island, Texas, with an average temperature fluctuating between 95°F (35°C) and 75°F (23.9°C). August is the month when Rock Island experiences its warmest temperatures, averaging a high of 95°F (35°C) and a low of 75°F (23.9°C). In August, the average heat index is appraised at a blazing hot 122°F (50°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a hot month in Rock Island, Texas, with an average temperature fluctuating between 88.3°F (31.3°C) and 71.4°F (21.9°C). In Rock Island, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's fiery hot 95°F (35°C) to a tropical 88.3°F (31.3°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Rock Island, Texas, with an average temperature varying between 80.2°F (26.8°C) and 62.1°F (16.7°C). Transition into October subtly marks a drop in the average high-temperature, moderately moving from a tropical 88.3°F (31.3°C) in September to a moderately hot 80.2°F (26.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another pleasant month in Rock Island, Texas, with an average temperature ranging between max 69.3°F (20.7°C) and min 52.9°F (11.6°C). November brings a minor decrease, with the average high-temperature reducing from a warm 80.2°F (26.8°C) in October to an agreeable 69.3°F (20.7°C). Weather in November »
Weather in December
December, the first month of the winter in Rock Island, is still a comfortable month, with an average temperature fluctuating between 61.7°F (16.5°C) and 47.3°F (8.5°C). Rock Island observes a small decrease in the average high-temperature with the arrival of December, falling from November's agreeable 69.3°F (20.7°C) to a refreshing 61.7°F (16.5°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Rock Island?
In Rock Island, January is the coldest month, with temperatures averaging a high of 60.4°F (15.8°C) and a low of 44.2°F (6.8°C).
How many days does it rain in Rock Island?
Throughout the year, there are 163.7 rainfall days, and 29.37" (746mm) of precipitation is accumulated.
When does it snow in Rock Island?
Months with snowfall are January, February and December.
What is the snowiest month in Rock Island?
The months with the most snowfall in Rock Island are January and December, with an average 0.12" (3mm) of accumulated snow.
How many days does it snow in Rock Island?
Throughout the year, there are 0.9 snowfall days, and 0.28" (7mm) of snow is accumulated.
What is the driest month in Rock Island?
The month with the least rainfall is February, when the rain falls for 11.3 days and typically collects 1.34" (34mm) of precipitation.
What are the most humid months in Rock Island?
The months with the highest humidity in Rock Island are March, May and June, with an average relative humidity of 78%.
When it does not snow in Rock Island?
March through November are months without snowfall in Rock Island, Texas.
When is Daylight Saving Time (DST) in Rock Island?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Rock Island, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month in Rock Island?
The month with the most rainfall in Rock Island, Texas, is May, when the rain falls for 16.1 days and typically aggregates up to 4.17" (106mm) of precipitation.
When are the longest days in Rock Island?
The month with the longest days in Rock Island, Texas, is June, with an average of 14h and 0min of daylight.
What are the months with the highest UV index in Rock Island?
The months with the highest UV index in Rock Island are June through August, with an average maximum UV index of 7.
What month is the hottest in Rock Island?
Rock Island experiences its highest temperatures in August, with an average peak of 95°F (35°C) and a low of 75°F (23.9°C).
What is the least humid month in Rock Island?
The least humid month is August, with an average relative humidity of 69%.
What month has the most sunshine in Rock Island?
The month with the most sunshine in Rock Island, Texas, is August, with an average of 9.8h of sunshine.
What is the month with the shortest days in Rock Island?
With an average of 10h and 18min of daylight, December has the shortest days of the year.
What is the month with the least sunshine in Rock Island?
With an average of 4.8h of sunshine, December has the least sunshine of the year in Rock Island, Texas.
When is the lowest UV index in Rock Island?
The month with the lowest UV index is December, with an average maximum UV index of 3.
Average temperature
Rock Island, TX
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (60.4°F).
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure
Rock Island, TX
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Rock Island, TX
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.7mph - Average wind speed in May:
8.1mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.3mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).
Average humidity
Rock Island, TX
The months with the highest relative humidity are March, May and June (78%).
The month with the lowest relative humidity is August (69%).
Average rainfall
Rock Island, TX
- Average rainfall in January:
1.5" - Average rainfall in February:
1.34" - Average rainfall in March:
2.05" - Average rainfall in April:
2.17" - Average rainfall in May:
4.17" - Average rainfall in June:
3.03"
- Average rainfall in July:
2.44" - Average rainfall in August:
3.03" - Average rainfall in September:
3.39" - Average rainfall in October:
2.68" - Average rainfall in November:
1.42" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days
Rock Island, TX
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
18.3 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is September (18.3 days).
The month with the least rainy days is January (10.4 days).
Average snowfall
Rock Island, TX
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Rock Island, TX
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
0.2 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Rock Island, TX
- Average daylight in January:
10h and 3min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 4min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
5h and 3min - Average sunshine in February:
6h and 0min - Average sunshine in March:
6h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days
Rock Island, TX
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
9.1 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
17.6 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is September (9.1 days).
Average UV index
Rock Island, TX
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Rock Island, TX
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Rock Island, TX
The months with the highest visibility are January, February, March, April, August, September, October, November and December (6mi).
The months with the lowest visibility are May, June and July (5mi).
Rock Island, Texas, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
